RHEL NAS stuff
That shows me the 2 Disk
Show the Volumes.
Adding a new Disk (Assume you have already created the new disk volume)
iscsiadm -m session --rescan
This scans to see if there are new iscsi devices
This Would then show up
Typicallty appearing as
We can then create a VG etc on this device
We then need to carry out the mapping on Both nodes - so we can have auto failover.
Use the GUI and on the System Enclosure Controller right-click, and choose Power-Off, after this power can be taken off the other units (manually) as there is no physical power switch.